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Synonyms

ostensible

American  
[o-sten-suh-buhl] / ɒˈstɛn sə bəl /

adjective

  1. outwardly appearing as such; professed; pretended.

    an ostensible cheerfulness concealing sadness.

  2. Rare. apparent, evident, or conspicuous.

    the ostensible truth of their theories.


ostensible British  
/ ɒˈstɛnsɪbəl /

adjective

  1. apparent; seeming

  2. pretended

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nonostensible adjective
  • ostensibility noun
  • ostensibly adverb
  • unostensible adjective

Etymology

Origin of ostensible

First recorded in 1730–40; from French, from Latin ostēns(us) , variant of ostentus ( ostensive ) + French -ible -ible

Explanation

When something is ostensible it appears to be the case but might not be. Your ostensible reason for visiting every bakery in town is that you're looking for a part-time job — but I think you really just want to eat cupcakes. Just because something is ostensible doesn't necessarily mean that it's not as it appears to be, only that there's a possibility of another reason. Your ostensible reason for calling your crush was to ask about homework; the real reason was that you were hoping they would ask you out. Ostensible derives from the Latin verb ostendere, meaning "to show or display."

Keep Reading on Vocabulary.com

Vocabulary lists containing ostensible

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This organization’s ostensible goal is to “promote stability, restore dependable and lawful governance, and secure enduring peace in areas affected or threatened by conflict.”

From Salon • Jan. 25, 2026

President Trump loves to define his ostensible political achievements and goals with big numbers.

From Los Angeles Times • Nov. 18, 2025

But notes of disillusion sound throughout this ostensible success story.

From The Wall Street Journal • Nov. 14, 2025

But the movie is more effective as a grim, involving cop thriller than it is as an ostensible statement on the Order’s reverberations in the present.

From New York Times • Dec. 6, 2024

The word was blunder; and as Harriet exultingly proclaimed it, there was a blush on Jane’s cheek which gave it a meaning not otherwise ostensible.

From "Emma" by Jane Austen